نتایج جستجو برای: harmonic starlike functions

تعداد نتایج: 533387  

Journal: :mathematics interdisciplinary research 0
mohammad taati payame noor university sirous moradi arak university shahram najafzadeh payame noor university

in this paper, we consider a new class of analytic functions in the unit disk using polynomials of order alpha. we give some sufficient conditions for functions belonging to this class.

2013
R. M. EL-ASHWAH M. K. AOUF A. SHAMANDY S. M. EL-DEEB G. MURUGUSUNDARAMOORTHY

Making use of Srivastava-Wright operator we introduced a new class of complexvalued harmonic functions with respect to symmetric points which are orientation preserving, univalent and starlike. We obtain coefficient conditions, extreme points, distortion bounds, convex combination. Mathematics subject classification (2010): 30C45.

2009
Hakan Bostancı Metin Öztürk H. Bostancı M. Öztürk

Journal: :Mathematics 2023

In this paper, we introduce some classes of univalent harmonic functions with respect to the symmetric conjugate points by means subordination, analytic parts which are reciprocal starlike (or convex) functions. Further, discuss geometric properties classes, such as integral expression, coefficient estimation, distortion theorem, Jacobian growth estimates, and covering theorem.

2011
H. Özlem Güney Müge Sakar F. Müge Sakar

Using the integral operator, we define and study a generalized family of complex-valued harmonic functions that are univalent, sense-preserving and are associated with uniformly harmonic functions in the unit disk. We obtain coefficient inequalities, extreme points and distortion bounds for the functions in our class. The results obtained for the our class reduce to the corresponding results fo...

Journal: :Proceedings of the American Mathematical Society 1974

Journal: :bulletin of the iranian mathematical society 2011
s. k. lee r. m. ali v. ravichandran s. supramaniam

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